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DE2346859C2 - Steuervorrichtung für ein Varioobjektiv - Google Patents

Steuervorrichtung für ein Varioobjektiv

Info

Publication number
DE2346859C2
DE2346859C2 DE2346859A DE2346859A DE2346859C2 DE 2346859 C2 DE2346859 C2 DE 2346859C2 DE 2346859 A DE2346859 A DE 2346859A DE 2346859 A DE2346859 A DE 2346859A DE 2346859 C2 DE2346859 C2 DE 2346859C2
Authority
DE
Germany
Prior art keywords
lens
focusing
ring
zoom
focal length
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE2346859A
Other languages
German (de)
English (en)
Other versions
DE2346859A1 (de
Inventor
Kyozo Izumi Osaka Uesugi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minolta Co Ltd
Original Assignee
Minolta Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minolta Co Ltd filed Critical Minolta Co Ltd
Publication of DE2346859A1 publication Critical patent/DE2346859A1/de
Application granted granted Critical
Publication of DE2346859C2 publication Critical patent/DE2346859C2/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
    • G03B13/18—Focusing aids
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
    • G02B7/105—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens with movable lens means specially adapted for focusing at close distances
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G03B17/14—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets interchangeably
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B3/00—Focusing arrangements of general interest for cameras, projectors or printers
    • G03B3/02—Focusing arrangements of general interest for cameras, projectors or printers moving lens along baseboard

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)
DE2346859A 1972-09-20 1973-09-18 Steuervorrichtung für ein Varioobjektiv Expired DE2346859C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47094197A JPS5119983B2 (sv) 1972-09-20 1972-09-20

Publications (2)

Publication Number Publication Date
DE2346859A1 DE2346859A1 (de) 1974-03-28
DE2346859C2 true DE2346859C2 (de) 1982-08-12

Family

ID=14103558

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2346859A Expired DE2346859C2 (de) 1972-09-20 1973-09-18 Steuervorrichtung für ein Varioobjektiv

Country Status (3)

Country Link
US (1) US3850507A (sv)
JP (1) JPS5119983B2 (sv)
DE (1) DE2346859C2 (sv)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3975089A (en) * 1974-04-19 1976-08-17 Ponder & Best, Inc. Zoom lens
DE2445289A1 (de) * 1974-09-21 1976-04-08 Leitz Ernst Gmbh Fotografische taschenkamera
US4114171A (en) * 1976-04-06 1978-09-12 Vivitar Corporation Reflex camera with internal zoom lens
JPS52135726A (en) * 1976-05-10 1977-11-14 Konishiroku Photo Ind Co Ltd Lens mount
JPS5333623A (en) * 1976-09-10 1978-03-29 Minolta Camera Co Ltd Barrel for aberration variable lens
JPS607244B2 (ja) * 1978-04-11 1985-02-23 旭光学工業株式会社 接写用レンズの繰り出し機構
US4322150A (en) * 1979-07-30 1982-03-30 Canon Kabushiki Kaisha Mechanical mounting system for zoom objective
JPS574018A (en) * 1980-06-10 1982-01-09 Konishiroku Photo Ind Co Ltd Focusing system for zoom lens
GB2084346B (en) * 1980-08-19 1985-01-30 Konishiroku Photo Ind A lens tube for a high vari-focal ratio zoom lens
US4397544A (en) * 1980-08-31 1983-08-09 Fuji Photo Optical Co., Ltd. Optical apparatus for changing magnification or reduction rates
JPS57147605A (en) * 1981-03-06 1982-09-11 Minolta Camera Co Ltd Focusing device for zoom lens
JPS57189109A (en) * 1981-05-18 1982-11-20 Canon Inc Optical adjustment method for copyingmachine
EP0250686A1 (fr) * 1986-06-26 1988-01-07 Etablissements Pierre Angenieux Dispositif d'objectif à focale variable
FR2580412B1 (fr) * 1985-04-10 1989-02-17 Angenieux P Ets Dispositif d'objectif a focale variable
JP2559247Y2 (ja) * 1990-01-19 1998-01-14 旭光学工業株式会社 レンズの移動機構
JPH04345116A (ja) * 1991-05-23 1992-12-01 Minolta Camera Co Ltd バリフォーカルレンズ鏡胴
CN1125361C (zh) * 1995-07-07 2003-10-22 宾得株式会社 有变焦距透镜镜筒的摄影机
JP4678597B2 (ja) * 2005-12-27 2011-04-27 富士フイルム株式会社 レンズ鏡胴

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159394A (en) * 1936-06-09 1939-05-23 Paramount Productions Inc Variable equivalent focal length lens
CH381878A (fr) * 1962-11-15 1964-09-15 Paillard Sa Objectif à focale variable
CH532796A (de) * 1969-06-27 1973-01-15 Vockenhuber Karl Optisches System mit zwei unabhängig voneinander verstellbaren Entfernungseinstellern
US3784285A (en) * 1972-06-01 1974-01-08 Ponder & Best Zoom lens

Also Published As

Publication number Publication date
JPS5119983B2 (sv) 1976-06-22
US3850507A (en) 1974-11-26
DE2346859A1 (de) 1974-03-28
JPS4953034A (sv) 1974-05-23

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8339 Ceased/non-payment of the annual fee